{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:GS7B5IX6BMK27NQNPIINJLBG7G","short_pith_number":"pith:GS7B5IX6","schema_version":"1.0","canonical_sha256":"34be1ea2fe0b15afb60d7a10d4ac26f995be72ade8f8b655abb40972edf44ccb","source":{"kind":"arxiv","id":"1806.02130","version":2},"attestation_state":"computed","paper":{"title":"Range Variation Monitoring with Wireless Two-Way Interferometry (Wi-Wi)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Bhola R. Panta, Hiroshi Hanado, Kenichi Takizawa, Kohta Kido, Masugi Inoue, Nobuyasu Shiga, Satoshi Yasuda, Seiji Kawamura, Yuko Hanado","submitted_at":"2018-06-06T11:38:21Z","abstract_excerpt":"We demonstrated a simple technique for monitoring range variation with millimeter-precision between two remote sites using off-the-shelf wireless communication modules. The need for the flexible positioning of wireless devices is significantly increasing as more devices are being connected and new services are being developed that require devices to collaborate with one another. We showed that one can monitor the distance variation by analyzing the propagation delay of the wireless communication signal between devices. We previously reported a technique for synchronizing clocks with picosecond"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1806.02130","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-06-06T11:38:21Z","cross_cats_sorted":[],"title_canon_sha256":"88250aa105cb8f128f65bd74d46947822a74f4dee9cb60a64776f2a9cc491ecc","abstract_canon_sha256":"5cf625d09c6e8ffc9b99725e40a2d4bb2f9ede0abe5647ca254dc0bbacb154c2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:59.120703Z","signature_b64":"QjyctqrinP6wJeeQV4lxFwby6TmCOpZnTMAzEfxlxKmILNDKjVYUyR8Gw7x2rurq7LpQ3iFhAbcPWDsW8u/+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34be1ea2fe0b15afb60d7a10d4ac26f995be72ade8f8b655abb40972edf44ccb","last_reissued_at":"2026-05-18T00:01:59.120070Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:59.120070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Range Variation Monitoring with Wireless Two-Way Interferometry (Wi-Wi)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Bhola R. Panta, Hiroshi Hanado, Kenichi Takizawa, Kohta Kido, Masugi Inoue, Nobuyasu Shiga, Satoshi Yasuda, Seiji Kawamura, Yuko Hanado","submitted_at":"2018-06-06T11:38:21Z","abstract_excerpt":"We demonstrated a simple technique for monitoring range variation with millimeter-precision between two remote sites using off-the-shelf wireless communication modules. The need for the flexible positioning of wireless devices is significantly increasing as more devices are being connected and new services are being developed that require devices to collaborate with one another. We showed that one can monitor the distance variation by analyzing the propagation delay of the wireless communication signal between devices. We previously reported a technique for synchronizing clocks with picosecond"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.02130","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1806.02130","created_at":"2026-05-18T00:01:59.120179+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.02130v2","created_at":"2026-05-18T00:01:59.120179+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.02130","created_at":"2026-05-18T00:01:59.120179+00:00"},{"alias_kind":"pith_short_12","alias_value":"GS7B5IX6BMK2","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_16","alias_value":"GS7B5IX6BMK27NQN","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_8","alias_value":"GS7B5IX6","created_at":"2026-05-18T12:32:25.280505+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G","json":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G.json","graph_json":"https://pith.science/api/pith-number/GS7B5IX6BMK27NQNPIINJLBG7G/graph.json","events_json":"https://pith.science/api/pith-number/GS7B5IX6BMK27NQNPIINJLBG7G/events.json","paper":"https://pith.science/paper/GS7B5IX6"},"agent_actions":{"view_html":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G","download_json":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G.json","view_paper":"https://pith.science/paper/GS7B5IX6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.02130&json=true","fetch_graph":"https://pith.science/api/pith-number/GS7B5IX6BMK27NQNPIINJLBG7G/graph.json","fetch_events":"https://pith.science/api/pith-number/GS7B5IX6BMK27NQNPIINJLBG7G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G/action/storage_attestation","attest_author":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G/action/author_attestation","sign_citation":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G/action/citation_signature","submit_replication":"https://pith.science/pith/GS7B5IX6BMK27NQNPIINJLBG7G/action/replication_record"}},"created_at":"2026-05-18T00:01:59.120179+00:00","updated_at":"2026-05-18T00:01:59.120179+00:00"}